﻿

using System;
using System.Runtime.InteropServices;


namespace OpcRcw.Da
{
    [Guid("39c13a4d-011e-11d0-9675-0020afd8adb3")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    [ComImport]
    public interface IOPCServer
    {
        void AddGroup(
          [MarshalAs(UnmanagedType.LPWStr)] string szName,
          [MarshalAs(UnmanagedType.I4)] int bActive,
          [MarshalAs(UnmanagedType.I4)] int dwRequestedUpdateRate,
          [MarshalAs(UnmanagedType.I4)] int hClientGroup,
          IntPtr pTimeBias,
          IntPtr pPercentDeadband,
          [MarshalAs(UnmanagedType.I4)] int dwLCID,
          [MarshalAs(UnmanagedType.I4)] out int phServerGroup,
          [MarshalAs(UnmanagedType.I4)] out int pRevisedUpdateRate,
          ref Guid riid,
          [MarshalAs(UnmanagedType.IUnknown)] out object ppUnk);

        void GetErrorString([MarshalAs(UnmanagedType.I4)] int dwError, [MarshalAs(UnmanagedType.I4)] int dwLocale, [MarshalAs(UnmanagedType.LPWStr)] out string ppString);

        void GetGroupByName([MarshalAs(UnmanagedType.LPWStr)] string szName, ref Guid riid, [MarshalAs(UnmanagedType.IUnknown)] out object ppUnk);

        void GetStatus(out IntPtr ppServerStatus);

        void RemoveGroup([MarshalAs(UnmanagedType.I4)] int hServerGroup, [MarshalAs(UnmanagedType.I4)] int bForce);

        void CreateGroupEnumerator(OPCENUMSCOPE dwScope, ref Guid riid, [MarshalAs(UnmanagedType.IUnknown)] out object ppUnk);
    }
}
